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| 1 | Nonlinear optics in all-dielectric nanoantennas and metasurfaces:a review显示文摘Free from phase-matching constraints,plasmonic metasurfaces have contributed significantly to the control of optical nonlinearity and enhancement of nonlinear generation efficiency by engineering subwavelength meta-atoms.However,high dissipative losses and inevitable thermal heating limit their applicability in nonlinear nanophotonics.All-dielectric metasurfaces,supporting both electric and magnetic Mie-type resonances in their nanostructures,have appeared as a promising alternative to nonlinear plasmonics.High-index dielectric nanostructures,allowing additional magnetic resonances,can induce magnetic nonlinear effects,which,along with electric nonlinearities,increase the nonlinear conversion efficiency.In addition,low dissipative losses and high damage thresholds provide an extra degree of freedom for operating at high pump intensities,resulting in a considerable enhancement of the nonlinear processes.We discuss the current state of the art in the intensely developing area of all-dielectric nonlinear nanostructures and metasurfaces,including the role of Mie modes,Fano resonances,and anapole moments for harmonic generation,wave mixing,and ultrafast optical switching.Furthermore,we review the recent progress in the nonlinear phase and wavefront control using all-dielectric metasurfaces.We discuss techniques to realize alldielectric metasurfaces for multifunctional applications and generation of second-order nonlinear processes from complementary metal–oxide–semiconductor-compatible materials. | Basudeb Sain Cedrik Meier Thomas Zentgraf | 2019 | Advanced Photonics2019，1，2： | 17 |
| 2 | Multichannel vectorial holographic display and encryption显示文摘Since its invention,holography has emerged as a powerful tool to fully reconstruct the wavefronts of light including all the fundamental properties(amplitude,phase,polarization,wave vector,and frequency).For exploring the full capability for information storage/display and enhancing the encryption security of metasurface holograms,smart multiplexing techniques together with suitable metasurface designs are highly demanded.Here,we integrate multiple polarization manipulation channels for various spatial phase profiles into a single birefringent vectorial hologram by completely avoiding unwanted cross-talk.Multiple independent target phase profiles with quantified phase relations that can process significantly different information in different polarization states are realized within a single metasurface.For our metasurface holograms,we demonstrate high fidelity,large efficiency,broadband operation,and a total of twelve polarization channels.Such multichannel polarization multiplexing can be used for dynamic vectorial holographic display and can provide triple protection for optical security.The concept is appealing for applications of arbitrary spin to angular momentum conversion and various phase modulation/beam shaping elements. | Ruizhe Zhao Basudeb Sain Qunshuo Wei Chengchun Tang Xiaowei Li Thomas Weiss Lingling Huang Yongtian Wang Thomas Zentgraf | 2018 | Light(Science & Applications)2018，7，1： | 15 |
| 3 | Oxidation of As(Ⅲ) by potassium permanganate显示文摘The oxidation of As(Ⅲ) with potassium permanganate was studied under conditions including pH, initial As(Ⅲ) concentration and dosage of Mn(VII). The results have shown that potassium permanganate was an effective agent for oxidation of As(Ⅲ) in a wide pH range. The pH value of tested water was not a significant factor affecting the oxidation of As(Ⅲ) by Mn(VII). Although theoretical redox analyses suggest that Mn(VII) should have better performance in oxidization of As(Ⅲ) within lower pH ranges, the experimental results show that the oxidation effciencies of As(Ⅲ) under basic and acidic conditions were similar, which may be due to the adsorption of As(Ⅲ) on the Mn(OH)2 and MnO2 resulting from the oxidation of As(Ⅲ). | LI Na FAN Maohong Van Leeuwen Johannes Saha Basudeb YANG Hongqun HUANG C. P. | 2007 | Journal of Environmental Sciences2007，19，7： | 10 |
| 4 | Metasurface interferometry toward quantum sensors显示文摘Optical metasurfaces open new avenues for the precise wavefront control of light for integrated quantum technology.Here,we demonstrate a hybrid integrated quantum photonic system that is capable of entangling and disentangling two-photon spin states at a dielectric metasurface.Via the interference of single-photon pairs at a nanostructured dielectric metasurface,a path-entangled two-photon NOON state with circular polarization that exhibits a quantum HOM interference visibility of 86±4% is generated.Furthermore,we demonstrate nonclassicality andphase sensitivity in a metasurface-based interferometer with a fringe visibility of 86.8±1.1%in the coincidence counts.This high visibility proves the metasurface-induced path entanglement inside the interferometer.Our findings provide a promising way to develop hybrid-integrated quantum technology operating in the high-dimensional mode space in various applications,such as imaging,sensing,and computing. | Philip Georgi Marcello Massaro Kai-Hong Luo Basudeb Sain Nicola Montaut Harald Herrmann Thomas Weiss Guixin Li Christine Silberhorn Thomas Zentgraf | 2019 | Light(Science & Applications)2019，8，1： | 7 |
| 5 | Core Shell Au Ag Nanoparticles in Dielectric Nanocomposites with Plasmon-Enhanced Fluorescence: A New Paradigm in Antimony Glasses显示文摘The nano era demands the synthesis of new nanostructured materials,if possible by simplified techniques,with remarkable properties and versatile applications.Here,we demonstrate a new single-step reproducible melt-quench methodology to fabricate core-shell bimetallic(Au0 Ag0)nanoparticles(2889 nm)embedded glasses(dielectrics)by the use of a new reducing glass matrix,K_(2)O B_(2)O_(3) Sb_(2)O_(3)(KBS)without applying any external reducing agent or multiple processing steps.The surface plasmon resonance(SPR)band of these nanocomposites embedded in KBS glass is tunable in the range 554-681 nm.More remarkably,taking advantage of the selective reduction capability of Sb_(2)O_(3),this single-step methodology is used to fabricate inter-metallic:rare-earth ions co-embedded(AuAg:Sm^(3+))dielectric(glass)-based-dnanocomposites and study the effect of enhanced local fi eld on the red upconversion fl uorescence of Sm^(3+)ions at 636 nm.The enhancement is found to be about 2 folds.This single-step in-situ selective reduction approach can be used to fabricate a variety of hybrid-nanocomposite devices for laser based applications(see supplementary information). | Tirtha Som Basudeb Karmakar | 2009 | Nano Research2009，2，8： | 7 |
| 6 | All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers显示文摘Dynamic control of compact chip-scale contactless manipulation of particles for bioscience applications remains a challenging endeavor,which is restrained by the balance between trapping efficiency and scalable apparatus.Metasurfaces offer the implementation of feasible optical tweezers on a planar platform for shaping the exerted optical force by a microscale-integrated device.Here we design and experimentally demonstrate a highly efficient silicon-based metalens for two-dimensional optical trapping in the near-infrared.Our metalens concept is based on the Pancharatnam–Berry phase,which enables the device for polarization-sensitive particle manipulation.Our optical trapping setup is capable of adjusting the position of both the metasurface lens and the particle chamber freely in three directions,which offers great freedom for optical trap adjustment and alignment.Two-dimensional(2D)particle manipulation is done with a relatively low-numerical-aperture metalens(NA(ML)=0.6).We experimentally demonstrate both 2D polarization-sensitive drag and drop manipulation of polystyrene particles suspended in water and transfer of angular orbital momentum to these particles with a single tailored beam.Our work may open new possibilities for lab-on-a-chip optical trapping for bioscience applications and microscale to nanoscale optical tweezers. | TEANCHAI CHANTAKIT CHRISTIAN SCHLICKRIEDE BASUDEB SAIN FABIAN MEYER THOMAS WEISS NATTAPORN CHATTHAM AND THOMAS ZENTGRAF | 2020 | Photonics Research2020，8，9： | 6 |
| 7 | Generalized Derivations Acting on Multilinear Polynomials in Prime Rings and Banach Algebras显示文摘Let R be a prime ring of characteristic different from 2 with Utumi quotientring U and extended centroid C,F and G,the two nonzero generalized derivationsof R,I an ideal of R and f(x1,...,xn)a multilinear polynomial over C which is notcentral valued on R.If F(G(f(x1,...,Xn))f(X1,...,Xn))=0 for all x1,...,Xn∈1,then one of the followings holds:(1)there exist a,b c Usuch that F(x)=ax and G(x)=bx for all x c R with ab=0;(2)there exista,b,p c U such that F(x)=ax+xb and G(x)=px for all x c R with F(p)=0and f(x1,...,xn)’is central valued on R.We also obtain some related results in caseswhere R is a semiprime ring and Banach algebra. | Basudeb Dhara Nurcan Argaç | 2016 | Communications in Mathematics and Statistics2016，4，1： | 2 |
| 8 | Application of Raman spectroscopy in forensic investigation of questioned documents involving stamp inks显示文摘 | Ali Raza Basudeb Saha | 2012 | Science & Justice2012，，： | 1 |
| 9 | Assessment of voltage unbalance显示文摘 | Annette von Jouanne Basudeb Banerjee | | 0，，04： | 1 |
| 10 | Quantitative analysis of fatty acids composition in the used cooking oil (UCO) by gas chromatography - mass spectrometry( GC - MS) 显示文摘 | SUMAIYA Z A DIPESH P BASUDEB S | 2013 | Can J Chem Eng2013，91，： | 1 |
| 11 | Structural effects of Zn+2/Mg+2ratios on crystallization characteristics and microstructure of fluorophlogopite mica-containing glass-ceramics显示文摘 | Mrinmoy G Nibedita S Basudeb M K | 2015 | Solid State Sciences2015，44，： | 1 |
| 12 | Transesterification of cyclohexyl acrylate with n-butanol and 2-ethylhexanol:acidtreated clay,ion exchange resins and tetrabutyl titanate as catalysts显示文摘 | BASUDEB S MICHAEL S | 2004 | Chemosphere2004，56，： | 1 |
| 13 | Reactive and Functional Polymers显示文摘 | Basudeb Saha | 1999 | 40( 1 ) : 51-601999，40，1： | 1 |
| 14 | Dense silica microspheres from organic and inorganic acid hydrolysis of TEOS 显示文摘 | BASUDEB KARMAKAR GOUTAM DE DIBYENDU GANGULI | 2000 | Journal of Non-Crystalline Solids2000，272，23： | 1 |
| 15 | Dense silica microspheres from organic and inorganic acid hydrolysis of TEOS显示文摘 | Basudeb K Goutam D Dibyendu G | 2000 | Journal of Non-crys Solids2000，272，2： | 1 |
| 16 | A hallmark of India' s new economic policy: Deregulation of the financial sector 显示文摘 | BASUDEB G-K | 2000 | Journal of Asian Economics2000，11，： | 1 |
| 17 | Direct conversion of cellulose and lignocellulosic biomass into chemicals and biofuel with metal chloride catalysts显示文摘 | Saikat D Sudipta D Alama M I Mahdi M A O Basudeb S | 2012 | J CataL2012，288，： | 1 |
| 18 | A Hallmark of India' s New Economic Police :Deregulation of the Financial Sector 显示文摘 | Basudeb Guba - Khasnobis | 2000 | Journal of Asian Economics2000，，11： | 1 |
| 19 | b-Generalized Derivations Acting on Multilinear Polynomials in Prime Rings显示文摘Let R be a prime ring of characteristic different from 2,Q be its maximal right ring of quotients,and C be its extended centroid.Suppose that f(x1,...,xn)is a non-central multilinear polynomial over C,0≠p∈R,and F,G are two b-generalized derivations of R.In this paper we describe all possible forms of F and G in the case pG(F(f(r))f(r))=0 for all r=(r1,...,rn)in R^n. | Basudeb Dhara Vincenzo De Filippis | 2018 | Algebra Colloquium2018，25，4： | 1 |
| 20 | Dense silica microspheres from organic and inorganic acid hydrolysis of TEOS显示文摘 | Basudeb K Goutam D Dibyendu G | 2000 | J Non-Crys Solids2000，272，2： | 1 |
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